51806820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3907}}^1$

素因数の和:3949

約数の個数: 96

約数和(自身を含む): 165449088

約数和(自身を除く): 113642268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 2210, 2652, 3315, 3907, 4420, 6630, 7814, 11721, 13260, 15628, 19535, 23442, 39070, 46884, 50791, 58605, 66419, 78140, 101582, 117210, 132838, 152373, 199257, 203164, 234420, 253955, 265676, 304746, 332095, 398514, 507910, 609492, 664190, 761865, 797028, 863447, 996285, 1015820, 1328380, 1523730, 1726894, 1992570, 2590341, 3047460, 3453788, 3985140, 4317235, 5180682, 8634470, 10361364, 12951705, 17268940, 25903410, 51806820]

約数ペア:

[(1, 51806820), (2, 25903410), (3, 17268940), (4, 12951705), (5, 10361364), (6, 8634470), (10, 5180682), (12, 4317235), (13, 3985140), (15, 3453788), (17, 3047460), (20, 2590341), (26, 1992570), (30, 1726894), (34, 1523730), (39, 1328380), (51, 1015820), (52, 996285), (60, 863447), (65, 797028), (68, 761865), (78, 664190), (85, 609492), (102, 507910), (130, 398514), (156, 332095), (170, 304746), (195, 265676), (204, 253955), (221, 234420), (255, 203164), (260, 199257), (340, 152373), (390, 132838), (442, 117210), (510, 101582), (663, 78140), (780, 66419), (884, 58605), (1020, 50791), (1105, 46884), (1326, 39070), (2210, 23442), (2652, 19535), (3315, 15628), (3907, 13260), (4420, 11721), (6630, 7814)]